Finding the Fourth Proportional to 96,078.24, 132,572.16 and 53,629.92
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Solution
The fourth proportional to 96,078.24, 132,572.16 and 53,629.92 is: 74,000.46
Step by Step Solution
- Step 1: Write the proportion equation
96,078.24 : 132,572.16 = 53,629.92 : x - Step 2: Convert to fraction form
96,078.24/132,572.16 = 53,629.92/x - Step 3: Cross multiply
96,078.24x = 132,572.16 × 53,629.92 - Step 4: Simplify right side
96,078.24x = 7,109,834,335.03 - Step 5: Solve for x
x = 7,109,834,335.03/96,078.24 - Step 6: Final answer
x = 74,000.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.